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https://issues.apache.org/jira/browse/PIG-4202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14148420#comment-14148420
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Daniel Dai commented on PIG-4202:
---------------------------------
The change is made to fix Orc_3. It seems OutputCommitter still get stale
UDFContext even we clean it up in PigProcessor.close:
{code}
Caused by: java.lang.NullPointerException
at
org.apache.pig.impl.util.orc.OrcUtils.createObjectInspector(OrcUtils.java:645)
at
org.apache.pig.builtin.OrcStorage.setStoreLocation(OrcStorage.java:240)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setLocation(PigOutputFormat.java:169)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter.setUpContext(PigOutputCommitter.java:116)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter.getCommitters(PigOutputCommitter.java:90)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter.<init>(PigOutputCommitter.java:71)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.getOutputCommitter(PigOutputFormat.java:292)
at
org.apache.tez.mapreduce.committer.MROutputCommitter.getOutputCommitter(MROutputCommitter.java:136)
{code}
> UDFContext.isFrontend return true for OutputCommitter in local mode
> -------------------------------------------------------------------
>
> Key: PIG-4202
> URL: https://issues.apache.org/jira/browse/PIG-4202
> Project: Pig
> Issue Type: Bug
> Components: impl
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.14.0
>
> Attachments: PIG-4202-1.patch
>
>
> We switch to use UDFContext.isFrontend in PIG-4187. However, it does not work
> as expected in local mode. This causes some local mode test fail
> (TestOrcStoragePushdown.createInputData).
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